Lewis & Short

cantātrix, īcis, f. adj. [cantator] (postclass.).

  1. I. Musical, singing: choreae, Claud. B. Gild. 448.
    Subst.: cantātrix, īcis, f., a female singer, Vulg. 2 Reg. 19, 35; cf. Prisc. p. 1225 P.
  2. II. Using enchantments: anus, App. M. 2, p. 128, 1: aniculae, id. ib. 2, p. 123, 25.